- The definition of a namesake is a person named after someone.
An example of a namesake is a son given the exact same name as his father.
namesake definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a person with the same name as another, esp. if named after the other
Origin: earlier name's sake
namesake definition by American Heritage Dictionary
One that is named after another.
Origin: From the phrase for the name's sake.